The venerable Far21 file manager for DOS-based systems was very useful for managing files on an old Windows system. Now there is a Linux version. This means that there is now another file manager for Linux to compete with Midnight Commander. The screenshot above shows the Far 21 file manager…
Read MoreWatching television online is very easy if you are an Australian. There are some very useful streams to watch television over the Internet. The steps described in this posting will get you started with streaming television online. https://securitronlinux.com/battlefield/stream-television-online-with-mpv-on-linux/. Use the command below to watch Seven television in MPV with the…
Read MoreTo re-install the bootloader for Fedora Core 19; you must first load into your Linux installation with a chroot. This post will explain this process. https://securitronlinux.com/bejiitaswrath/re-installing-the-grub2-bootloader-using-a-chroot-with-linux-mint-14/. Then, once you are in the chroot environment, the following commands will re-install GRUB for you. root@neo homer# grub2-install /dev/sda Installation finished. No error…
Read MoreThe Google Cloud Shell is a very nice feature of Google services, but it has no process limit and the root account is accessible. Just use sudo and you may access the root account and then wreak havoc upon the system. Having a Linux shell account online is very useful…
Read MoreThis is a very cool Linux one-liner, this is using the Tesseract OCR engine to read an image generated by a script and then read the time from it. ┌──[[email protected]]─[~/Pictures/letter] └──╼ ╼ $ curl -s ‘https://securitronlinux.com/api/servers.php’ -o – | tesseract stdin stdout –dpi 150 | grep –color CDT 05:33:13pm Sun…
Read MoreThe new successor to the jpeg image format is called jxl, this allows much higher compression than Jpeg and would be awesome for websites with a lot of images. I found a nice resolution png image and I converted it to webp. This gave me a 55 kilobyte image, compressed…
Read MoreThe /etc/passwd file contains each user, one on each line. And the user ID number, then the home directory and the shell used by that user. /etc/passwd1 2 3 4 5 sifiso:x:554:554::/home/commitec/mail/commitec.co.za/sifiso:/bin/bash info:x:554:554::/home/commitec/mail/commitec.co.za/info:/bin/bash sales:x:554:554::/home/commitec/mail/commitec.co.za/sales:/bin/bash admin:x:554:554::/home/commitec/mail/commitec.co.za/admin:/home/commitec siphiwos:x:1794:1790::/home/commitec/mail/commitec.co.za/siphiwos:/home/commitecsifiso:x:554:554::/home/commitec/mail/commitec.co.za/sifiso:/bin/bash info:x:554:554::/home/commitec/mail/commitec.co.za/info:/bin/bash sales:x:554:554::/home/commitec/mail/commitec.co.za/sales:/bin/bash admin:x:554:554::/home/commitec/mail/commitec.co.za/admin:/home/commitec siphiwos:x:1794:1790::/home/commitec/mail/commitec.co.za/siphiwos:/home/commitec Then the /etc/shadow file contains the username again, then the…
Read MoreA new Linux exploit has been found for Linux machines. This involves the FUSE filesystem framework and can crash Systemd after executing a program as a normal user. This is CVE-2021-33910, Denial of service (stack exhaustion) in Systemd (PID 1). More information about this exploit may be found here: https://www.openwall.com/lists/oss-security/2021/07/20/2….
Read MoreThere are many ways to find files embedded inside other files, one way is using binwalk to find embedded files inside another file. This is how to use binwalk to list all embedded files inside a larger one. This takes a while with a multi-gigabyte file, but it does work….
Read MorePower Surges Power Surges can be caused by many things, but they can have quite an effect on your computer hardware. The surges in current can damage your hardware and cause loss of data. The best defence against this threat is to have a surge protector plugged into the wall…
Read MoreThere are many useful Linux commands that are very useful when navigating your new Linux system. Checking disk space or deleting files is very easily done with the command line. To get a basic introduction to the Linux command line, use the man intro command. This gives a basic rundown…
Read MoreMounting an HDD formatted with the Xbox filesystem can be a pain, but it can be done. Run this command in the terminal to get the filesystem offset of the current filesystem. ┌──[[email protected]]─[~] └──╼ ╼ $ sudo head -c 4k /dev/sdg | grep -aobuP ‘\x00\x00\x00NTFS’ | sed ‘s/\:.*//’ 2048┌──[[email protected]]─[~] └──╼…
Read MoreThe scrollbars on Firefox are very narrow and annoying, but this may be fixed. This is how to get wider scrollbars in Firefox when using Linux. The best way is to edit the about:config and then look for this entry. widget.non-native-theme.gtk.scrollbar.thumb-sizewidget.non-native-theme.gtk.scrollbar.thumb-size Change this to 1.50 and this makes the scrollbar…
Read MoreThere are some very nice themes out there to stylize your Linux desktop, the trendy Linux user may install a theme and make the Linux Gnome desktop look like iOS. This is very easy. iOS 10 theme for Gnome Shell and MATE. https://www.opendesktop.org/p/1220826/. Download this theme and place it under…
Read MoreThis is a very useful LaTeX template for creating a lovely paper or report. I have included examples of including a URL and sample code. This is how easy it is to create a nice A4 template. server.tex1 2 3 4 5 6 7 8 9 10 11 12 13…
Read MorePower Surges can be caused by many things, but they can have quite an effect on your computer hardware. The surges in current can damage your hardware and cause loss of data. The best defense against this threat is to have a surge protector plugged into the wall and this…
Read MoreResizing a window that has no border can be a problem on Linux. I started MPV with no border to watch a stream of TV and it was larger than I wanted. I could not resize the window by the old Alt->Right mouse button method, but I could use the…
Read MoreI just installed a fingerprint reader in Ubuntu and after scanning my fingerprint into the system, I was able to login to Ubuntu using GMD3 and it works just fine. Access this by typing users in the Activities view to access the Users panel under Settings. Then enable the Fingerprint…
Read MoreFootprinting Footprinting is defined as the process of gathering information on computer systems and networks. This is the first step in information gathering and provides a useful insight into the network you are planning to attack. Zero-day exploits These are exploits that are found before there are patches for these…
Read MoreKilling rogue programs in Linux The kill command included by default with the Linux suite of commands may be used to terminate a process by passing kill a process ID (PID). By default, kill just tells the process to die, but if the process has made previous arrangements with the…
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